<?php 
$this->context->bodyClass = 'page-pay';

$url = \Yii::$app->urlManager->createUrl([
    'order/alipay',
    'order_info_id' => $order_info_id,
    'hashValue'=>$hash_value,
    'pay_method'=>$pay_method,
]);
?>

<iframe src="<?php echo $url; ?>" 
        id="iframepage" name="iframepage" style="position:fixed;left:0;top:0;width:100%;height:100%;overflow:hidden;" frameborder="0" scrolling="auto" marginheight="0" marginwidth="0"></iframe>
<?php $this->beginBlock('js'); ?>
<?php $this->endBlock(); ?>